\begin{tikzpicture}
    \tkzDefPoints{0/0/D,  3/0/C,  -1/2/A, 2/2/B}
    \tkzDefPointOnLine[pos=0.4](A,C)  \tkzGetPoint{F}
    \tkzDefPointOnLine[pos=0.4](C,A)  \tkzGetPoint{E}

    \tkzDrawPolygon(A,B,E)
    \tkzDrawPolygon(C,D,F)
    \tkzLabelPoints[left](A,D)
    \tkzLabelPoints[right](B,C)
    \tkzLabelPoints[above](F)
    \tkzLabelPoints[below](E)
\end{tikzpicture}

